Finding the Fourth Proportional to 180,403.26, 270,911.07 and 156,739.92
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Solution
The fourth proportional to 180,403.26, 270,911.07 and 156,739.92 is: 235,375.90
Step by Step Solution
- Step 1: Write the proportion equation
180,403.26 : 270,911.07 = 156,739.92 : x - Step 2: Convert to fraction form
180,403.26/270,911.07 = 156,739.92/x - Step 3: Cross multiply
180,403.26x = 270,911.07 × 156,739.92 - Step 4: Simplify right side
180,403.26x = 42,462,579,438.91 - Step 5: Solve for x
x = 42,462,579,438.91/180,403.26 - Step 6: Final answer
x = 235,375.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.